[FIX] Return type of BatchManager.prepare is array of arrays (#2200)
[FIX] Return type of BatchManager.prepare is array of arrays (#2200)


aidinabedi/playcanvas-engine,sereepap2029/playcanvas,MicroWorldwide/PlayCanvas,sereepap2029/playcanvas,playcanvas/engine,playcanvas/engine,aidinabedi/playcanvas-engine,MicroWorldwide/PlayCanvas,sereepap2029/playcanvas